No Inv.: 2944-2953/P/Perp/97/10c~2797/P/98/1c
No Inv.: 1396-1400/P/98/5c
No Inv.: 111016-111020/P/Perp/07/5c
No Inv.: 2796-2800/P/Perp/95/5c
No Inv.: 111024-111026/P/Perp/08/5c
No Inv.: 3721/Perp/86/1c~3552/Perp/86/1c
Judul asli : "Effective Leadership, a Self-development Manual"
No Inv.: 1214-1216/Pb/Perp/92/3c~104/Pb/Perp/92/1c~10530/P/Perp/92/1c
No Inv.: 3135-3136/P/Perp/91/2c~3475-3484/P/Perp/97/10c
No Inv.: 2060-2064/P/99/5c